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| STUDY ON LATERAL GROWTH RATE OF PERITECTIC REACTION PRODUCTS |
| CHANG Guowei, JIN Guangcan, CHEN Shuying, LI Qingchun, YUE Xudong |
| School of Materials Science and Engineering, Liaoning University of Technology, Jinzhou 121001 |
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Cite this article:
CHANG Guowei JIN Guangcan CHEN Shuying LI Qingchun YUE Xudong. STUDY ON LATERAL GROWTH RATE OF PERITECTIC REACTION PRODUCTS. Acta Metall Sin, 2011, 47(3): 380-384.
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Abstract Aiming at the problem which the experimental results of lateral growth rates of austenite (γ–phase) in the peritectic reaction of Fe–C alloy is much larger than the calculation based on Bosze and Trivedi[2] models, solute distribution in front of the solid/liquid interface in the peritectic reaction was analyzed in detail in this article, and the expression of solute distribution while the cylindrical solid phase gew in melt was also put forward. On the basis of the growth rate formula for the coarse interface deduced by Jackson[9], the advisable epression was obtained for calculating ateral growth rate of the peritectic reaction products, and which was applied to the peritectic reaction progress of Fe–C nd Fe–Ni alloys, respectively. The results showed that the calculation lateral growth rates of the peritectic reaction products (γ–phase) were coincide with the experimental results made by Shibata et al[4] and Mcdonald et al[5] through the observation of the peritectic reaction of Fe–C and Fe–Ni alloys using a confocl scanning laser microscope (CSLM).
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Received: 16 August 2010
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| Fund: Supported by National Natural Science Foundation of China (No.50874060) |
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